#66C030#66C030

#66C030 is a light, vivid yellow-green. Relative luminance 0.407; OKLCH L 72.4% C 0.195 H 136.5°. Best body text is #000000 at 9.15:1 contrast (WCAG AA passes).

Color values

HEX	#66C030
RGB	rgb(102, 192, 48)
HSL	hsl(98, 60%, 47%)
HSV	hsv(98, 75%, 75%)
CMYK	cmyk(46.9%, 0%, 75%, 24.7%)
CIE-LAB	lab(69.99, -50.88, 60.03)
CIE-LCH	lch(69.99, 78.69, 130.28°)
OKLab	oklab(72.44% -0.1415 0.1344)
OKLCH	oklch(72.44% 0.195 136.5)
XYZ	xyz(24.8619, 40.7358, 9.3485)
Luminance	0.4074 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66C030 #8A30C0

analogous

#AEC030 #66C030 #30C042

triadic

#66C030 #3066C0 #C03066

tetradic

#66C030 #30AEC0 #8A30C0 #C04230

square

#66C030 #30AEC0 #8A30C0 #C04230

split-complementary

#66C030 #4230C0 #C030AE

monochromatic

#325E18 #4C8F24 #66C030 #87D558 #AAE189

Accessibility & contrast

On white

2.30

#66C030 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.15

#66C030 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66C030

9.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66C030	#FFFFFF	#000000	##000000
##66C030	1.00	2.30	9.15	9.15
#FFFFFF	2.30	1.00	21.00	21.00
#000000	9.15	21.00	1.00	1.00
##000000	9.15	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C7B010

Deuteranopia (green-blind)

#BBA83F

Tritanopia (blue-blind)

#62B9A5

Achromatopsia (no color)

#ABABAB

Design tokens & code

CSS

--color: #66c030;
/* rgb */ color: rgb(102, 192, 48);
/* oklch */ color: oklch(72.4% 0.195 136.5);

Tailwind

colors: {
  custom: {
    50: '#99d472',
    500: '#66c030',
    950: '#000000',
  },
}

SCSS

$custom: #66c030;
$custom-light: #99d472;
$custom-dark: #000000;

JSON

{
  "hex": "#66c030",
  "rgb": {
    "r": 102,
    "g": 192,
    "b": 48
  },
  "hsl": {
    "h": 97.5,
    "s": 60,
    "l": 47.059
  },
  "oklch": {
    "l": 0.72435,
    "c": 0.19516,
    "h": 136.5
  },
  "luminance": 0.40737
}

Semantic roles & 50–950 ramp

primary

#66C030

secondary

#AF80CB

accent

#45E3A8

background

#F9FDF7

surface

#F2FAED

border

#CCD3C8

text

#0F1409

muted

#7E837B

Preview Lab

Preview with #66C030

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →